styless
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}
html,
body{
    margin:0;
    padding:0;
    overflow-x:hidden;
 }   
body{
    background:#fff;
     width:100%;
    overflow-x:hidden;
}

/* HEADER */

.header{
    width:100%;
    height:90px;
    background:#03142b;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 50px;
    position:relative;

}
.menu-toggle{
    display:none;
}
.empresa{
   color:white;
    font-size:20px;
    font-weight:bold;
    white-space:nowrap;

}

.empresa span{
    color:#fFFFF;

}

.logo{
    flex:0 0 220px;
}

.logo img{
    width:180px;
    height:auto;
}

.navbar{
     display:flex;
    gap:35px;
    position:relative;
    left:-150px;
}

.navbar a{
    color:white;
    text-decoration:none;
    font-weight:600;
    font-size:15px;
}



/* HERO */

.hero{
    width:100%;
    height:650px;
    background:url('./img/arcotecho.png');
    background-size:cover;
    background-position:center center;
    background-repeat:no-repeat;
    position:relative;
    display:flex;
    align-items:center;

}
.overlay{
    position:absolute;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.55);
    top:0;
    left:0;
}

.hero-content{
    position:relative;
    z-index:2;
    color:white;
    max-width:700px;
    margin-left:80px;
}

.hero-content h1{
    font-size:64px;
    line-height:70px;
    font-weight:800;
}

.hero-content span{
    color:#f5b400;
}

.hero-content p{
    margin-top:20px;
    font-size:18px;
    max-width:500px;
}

.buttons{
    margin-top:35px;
    display:flex;
    gap:20px;
}

.btn-yellow{
    background:#f5b400;
    color:black;
    padding:16px 35px;
    text-decoration:none;
    font-weight:bold;
    border-radius:5px;
}

.btn-dark{
    border:2px solid white;
    color:white;
    padding:16px 35px;
    text-decoration:none;
    font-weight:bold;
    border-radius:5px;
}

/* SERVICIOS */

.servicios{
    padding:80px 50px;
    text-align:center;
}

.servicios h4{
    color:#f5b400;
    margin-bottom:10px;
}

.servicios h2{
    font-size:40px;
    margin-bottom:50px;
    color:#03142b;
}

.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.card{
    background:white;
    border-radius:10px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,.1);
    transition:.3s;
}

.card:hover{
    transform:translateY(-10px);
}

.card img{
    width:100%;
    height:250px;
    object-fit:cover;
}

.card h3{
    padding:20px;
    color:#03142b;
}

.card p{
    padding:0 20px 30px;
    color:#555;
}

/* PROYECTOS */

.proyectos{
    background:#03142b;
    padding:80px 50px;
    display:flex;
    gap:40px;
    align-items:flex-start;
}

.texto-proyecto{
    width:30%;
    color:white;
}

.texto-proyecto h4{
    color:#f5b400;
}

.texto-proyecto h2{
    font-size:45px;
    margin:20px 0;
}

.texto-proyecto p{
    margin-bottom:40px;
    line-height:28px;
}

.galeria{
    width:70%;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:15px;
}

.galeria img{
    width:100%;
    height:220px;
    object-fit:cover;
    border-radius:8px;
}

/* FOOTER */

.footer{
    background:#02101f;
    color:white;
    display:flex;
    justify-content:space-around;
    padding:30px;
    flex-wrap:wrap;
}

.footer-item{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:18px;
}

.footer i{
    color:#f5b400;
}



/* MOVILES */

@media screen and (max-width: 768px){
.header{
    display:flex !important;
    flex-direction:row !important;
    justify-content:space-between !important;
    align-items:center !important;
    padding:0 15px !important;
    height:80px !important;
}

.empresa{
    font-size:18px !important;
    width:auto !important;
    margin:0 !important;
    text-align:left !important;
}

.menu-toggle{
    display:block;
    color:white;
    font-size:25px;
    position:relative;
    left:-25px;
}

    .navbar{
        display:none;
    }

    .navbar.active{
    display:flex !important;
    flex-direction:column;
    position:absolute;
    top:80px;
    right:10px;
    left:auto !important;
    width:110px;
    background:#03142b;
    padding:15px;
    border-radius:8px;
    z-index:9999;
}

.navbar a:hover{
    color:#f5b400;
    transition:.3s;

}
    .hero-content{
        width:100%;
        max-width:100%;
        padding:0 20px;
        margin:0 auto;
        text-align:center;
    }
     

    .hero-content h1{
        font-size:35px;
        line-height:1.1;
        top:15;
    }

    .hero-content p{
        font-size:16px;
        max-width:100%;
        text-align:center;
    }

    .buttons{
        flex-direction:column;
        align-items:center;
    }

    .btn-yellow,
    .btn-dark{
        width:160px;
        height:35px;
        display:flex;
        justify-content:center;
        align-items:center;
    }

    .cards{
        grid-template-columns:1fr;
    }

    .proyectos{
        flex-direction:column;
    }

    .texto-proyecto,
    .galeria{
        width:100%;
    }

    .galeria{
        grid-template-columns:1fr;
    }

} /* ← AGREGA ESTA LLAVE */

/* BOTON WHATSAPP */

.whatsapp{
    position:fixed;
    width:55px;
    height:55px;
    bottom:20px;
    right:20px;
    background:#25D366;
    color:white;
    border-radius:50%;
    display:flex;
    justify-content:center;
    align-items:center;
    text-decoration:none;
    font-size:35px;
    box-shadow:0 5px 20px rgba(0,0,0,.3);
    z-index:9999;
    transition:.3s;
}

.whatsapp:hover{
    transform:scale(1.1);
    box-shadow:0 8px 25px rgba(0,0,0,.4);

}